ALGONA — Authorities in northern Iowa are investigating the death of a teenage girl who was found unconscious at a hog facility building in Kossuth County.

Victoria Marie Parra Lerdo, 17, of Rockwell City, was found just after 9 p.m. Monday unconscious on the ground of the facility in rural Swea City, television station WHO-TV reported. The teen was helping to clean and power wash the facility when she was found by someone who was also working in the area, according to the Kossuth County Sheriff’s Office.

Lerdo was taken to a hospital in Algona, where she was pronounced dead. Officials said an autopsy has been ordered to determine her cause of death